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San Joaquin County Community Project Description Development Department pipeline and would separate the north pit from the south pit. The existing water pipeline would be relocated along the property boundaries to avoid the areas planned for excavation and areas to be excavated would be set back a minimum of 40 feet from the toe of the Delta Mendota Canal. ■ The processing site will be fenced with three-strand barbed wire and gated, and appropriate warning and identification signage will be installed at the site. ■ The following County standards contained in Chapter 9.1415, Quarry Excavation Standards,of the County's Title 9 Development Title, as summarized here,would be required for approval of the mining permit and reclamation plan and will be reflected as conditions of approval on the quarry excavation permit. These standards have been incorporated into the project design. ❑ Stockpiling. No stockpiled soil or material shall be placed closer than twenty-five(25)feet to a property boundary unless it functions for screening,consistent with Chapter 9-1020. ` ❑ Private Roads. All private roads shall be maintained so as to control dust and traffic-control and warning signs shall be installed, if required by the Director of Public Works. ❑ Erosion Control. An erosion and sediment control plan shall be approved by the Development Services Division as part of the reclamation plan approval. i ❑ Hours of Operation. Plant operations shall normally be carried out during the hours from 5:00 a.m. to 9:00 p.m.,with extensions if needed approved by the Director of the Community Development Department. ❑ Replacement of Topsoil. Topsoil shall be set aside and replaced and the site leveled in conformance with the excavation permit. ❑ Weed Control. If noxious weeds are on site, operations shall be carried out in accordance to instruction from the Agricultural Commissioner. ❑ Health Considerations. The project must include provisions for y mosquito and other pest abatement,and a potable water supply and approved sanitary facilities for employees. ❑ Setbacks. No excavation may take place within 25 feet of any property line or right-of-way. ❑ Slopes. Temporary interior cut slopes shall comply with state and ., federal OSHA standards. Final slopes shall not exceed 211:1 V,unless site-specific geological and engineering analysis demonstrate through a slope stability analysis that final slopes of I%z H:1 V will meet minimum stability factors of safety as required in Section 9-1415.2(d)(4). All slopes over 50 feet high shall be terraced a minimum of 12 feet. Terraces must be sloped back toward the fill and design such that runoff is directed to collection points where it can enter catch basins and be ` conveyed to the toe of slope. A drainage plan shall be submitted to the DeSilva Gates Quarry Project Draft Environmental Impact Report 2-13 JSS 05105.05 r